Unreal Engine Issues

[Feature Request] Random number generators in UE4 have short periodicity.

Random generators in UE4 have a short periodicity. (FMath::Rand and RandomStream) I heard a xorshift variant has good characteristics. Could we consider importing it into UE4? [Image Removed] ...

Saving Level changes the Rotation of actors with parent-child relationships

According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...

Unexpected Phat constraint skeleton tree search behavior

The skeleton tree search does not search for constraints based off of their full displayed name in the tree. Only their second bone name is used when filtering (despite portions of their full name s ...

SetHitResultFromShapeAndFaceIndex crash

SetHitResultFromShapeAndFaceIndex calls  if(PxMaterial* PxMat = PShape->getMaterialFromInternalFaceIndex(FaceIndex)) { OutResult.PhysMaterial = FPhysxUserData::Get<UPhysicalMaterial>(PxMat->userD ...

Override Animation Data doesn't use new animation

Override Animation Data doesn't use the new animation to play when the animation mode is already 'Use Animation Asset' ...

Crash when changing "MaximumTextureSize" in "LeaveExistingMips" state

No problem with 4.22.3 ...

Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.

The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...

LOD distance does not match between StaticMesh and SkeletalMesh

PostProcessMaterial is not applied to NiagaraEditor preview

None referenced NiagaraEmitters are contained in packaged game

[Image Removed] It's just storage waste. Because those assets will be never loaded on runtime. ...